7. Dilip Shanghvi- Dilip Shanghvi, 66, started Sun Pharmaceutical in 1982 with a meager 10,000 rupee investment, or approximately 200. As the son of a pharmaceutical distributor, Shanghvi knew what he was doing. Today, through gradual development and a series of acquisitions, that investment has grown revenue in 2021 to 4.31 billion, making Sun Pharma Indias largest pharmaceutical company.